<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Demo1</title>

    <!-- <style>
        div {
            color : red;
        }
    </style> -->

    <link rel = "stylesheet" href = "ColorTest.css">
</head>
<body>
    <div style = "color: green;">这是一个div</div>
    <div>这是一个div</div>
    <div>这是一个div</div>
    <div>这是一个div</div>
    <div>这是一个div</div>
</body>
</html>